FIN6 is a cyber crime group that has stolen payment card data and sold it for profit on underground marketplaces. This group has aggressively targeted and compromised point of sale (PoS) systems in the hospitality and retail sectors.
Disclaimer: We present this mapping to stimulate thinking about active defense options to combat this adversary, not to present all possibilities. We invite you to use this as a guide and add your own use cases for applying Shield techniques to counter each adversary action.
Note: All ATT&CK Group sub-technique mappings have been remapped to their parent technique and were derived from Group Technique mappings in ATT&CK v8.
ATT&CK Technique | Opportunity Space | AD Technique | Use Case |
---|---|---|---|
T1003 - OS Credential Dumping | There is an opportunity to deploy a tripwire that triggers an alert when an adversary touches a network resource or uses a specific technique. | DTE0012 - Decoy Credentials | A defender can seed systems with decoy credentials in a variety of locations and establish alerting that will trigger if an adversary harvests the credentials and attempts to use them. |
T1005 - Data from Local System | In an adversary engagement scenario, there is an opportunity to add legitimacy by ensuring the local system is with fully populated with content. | DTE0030 - Pocket Litter | A defender can stage a variety of pocket litter files to bolster the legitimacy of the local system. |
T1005 - Data from Local System | In an adversary engagement scenario, there is an opportunity provide content on a variety of topics to see what types of information seems to interest the adversary. | DTE0030 - Pocket Litter | A defender can stage a variety of pocket litter files in order to determine if an adversary is interested in specific file types, subjects, etc. |
T1018 - Remote System Discovery | There is an opportunity for the defender to observe the adversary and control what they can see, what effects they can have, and/or what data they can access. | DTE0036 - Software Manipulation | A defender can change the output of a recon commands to hide simulation elements you don’t want attacked and present simulation elements you want the adversary to engage with. |
T1018 - Remote System Discovery | In an adversary engagement situation, there is an opportunity to add legitimacy by ensuring decoy systems are fully populated with information an adversary would expect to see during this recon process. | DTE0011 - Decoy Content | A defender can create entries in a decoy system's ARP cache, hosts file, etc. to add to the legitimacy of the device. |
T1021 - Remote Services | There is an opportunity to monitor network traffic for different protocols, anomalous traffic patterns, transfer of data, etc. to determine the presence of an adversary. | DTE0027 - Network Monitoring | The defender can implement network monitoring for and alert on anomalous traffic patterns, large or unexpected data transfers, and other activity that may reveal the presence of an adversary. |
T1021 - Remote Services | In an adversary engagement scenario, there is an opportunity to introduce decoy systems that can influence an adversary's behavior or allow you to observe how they perform a specific task. | DTE0017 - Decoy System | A defender could implement a decoy system running a remote service (such as telnet, SSH, and VNC) and see if the adversary attempts to login to the service. |
T1027 - Obfuscated Files or Information | In an adversary engagement scenario, there is an opportunity to introduce decoy systems that can influence an adversary's behavior or allow you to observe how they perform a specific task. | DTE0017 - Decoy System | A defender could implement a decoy system to study how and when an adversary obfuscate files and hides information. |
T1036 - Masquerading | There is an opportunity to detect the presence of an adversary by identifying and alerting on anomalous behaviors. | DTE0007 - Behavioral Analytics | A defender can look for known files in non-standard locations or files that are creating anomalous processes or connections. |
T1046 - Network Service Scanning | There is an opportunity for the defender to observe the adversary and control what they can see, what effects they can have, and/or what data they can access. | DTE0036 - Software Manipulation | A defender can change the output of a recon commands to hide simulation elements you don’t want attacked and present simulation elements you want the adversary to engage with. |
T1046 - Network Service Scanning | There is an opportunity to study the adversary and collect first-hand observations about them and their tools. | DTE0017 - Decoy System | A defender can add decoy systems to the network so an adversary can have a variety of network services available to them. The defender can observe which network services the adversary attempts to use. |
T1047 - Windows Management Instrumentation | In an adversary engagement scenario, there is an opportunity to allow or restrict admin access to support your defensive objectives. | DTE0001 - Admin Access | A defender can remove admin access from the local user to prevent an adversary from being able to utilize WMI. |
T1047 - Windows Management Instrumentation | There is an opportunity to implement security controls which will prevent an adversary from using Windows Management Instrumentation (WMI), in order to entice them to reveal new TTPs. | DTE0032 - Security Controls | A defender can harden accounts which have admin access and also restrict any users from being able to connect remotely using WMI. |
T1048 - Exfiltration Over Alternative Protocol | There is an opportunity to disrupt or enable and adversary's exfiltration activities by blocking/unblocking the traffic to their Command and Control (C2) location. | DTE0026 - Network Manipulation | A defender can prevent or enable use of alternate protocols for exfiltration by blocking/unblocking unnecessary ports and protocols. |
T1053 - Scheduled Task/Job | There is an opportunity to study the adversary and collect first-hand observations about them and their tools. | DTE0001 - Admin Access | A defender can enable Admin Access on a system to see if the adversary utilizes that access to create scheduled tasks to launch their malware or tools. |
T1053 - Scheduled Task/Job | There is an opportunity to study the adversary and collect first-hand observations about them and their tools. | DTE0017 - Decoy System | A defender can configure a decoy system with limited restrictions to see if the adversary creates or alters scheduled tasks to launch their malware. |
T1053 - Scheduled Task/Job | There is an opportunity to create a detection with a moderately high probability of success. | DTE0034 - System Activity Monitoring | A defender can capture system activity logs and generate alerts if the adversary creates new scheduled tasks or alters existing tasks. |
T1059 - Command and Scripting Interpreter | There is an opportunity for the defender to observe the adversary and control what they can see, what effects they can have, and/or what data they can access. | DTE0036 - Software Manipulation | A defender can manipulate the output of system commands issued to alter information the adversary might use during their activity. |
T1059 - Command and Scripting Interpreter | There is an opportunity for the defender to observe the adversary and control what they can see, what effects they can have, and/or what data they can access. | DTE0036 - Software Manipulation | A defender can modify the functionality of commands used to delete files so that the files are copied to a safe location before they are deleted. |
T1059 - Command and Scripting Interpreter | There is an opportunity for the defender to observe the adversary and control what they can see, what effects they can have, and/or what data they can access. | DTE0034 - System Activity Monitoring | A defender can detect the presence of an adversary by monitoring for processes that are created by commands and/or scripts they execute on a system. |
T1068 - Exploitation for Privilege Escalation | There is an opportunity to study the adversary and collect first-hand observations about them and their tools. | DTE0001 - Admin Access | A defender can configure system users to not have admin access in order to ensure privilege escalation requires exploitation. |
T1069 - Permission Groups Discovery | In an adversary engagement operation, there is an opportunity to impact what an adversary sees when they execute commands on a system. | DTE0036 - Software Manipulation | A defender could manipulate a system's software to alter the results of an adversary enumerating permission group information. |
T1070 - Indicator Removal on Host | In an adversary engagement scenario, there is an opportunity to allow or restrict admin access to support your defensive objectives. | DTE0001 - Admin Access | A defender can restrict admin access to force an adversary to escalate privileges in order to delete logs and captured artifacts from a system. |
T1070 - Indicator Removal on Host | There is an opportunity to detect the presence of an adversary by identifying and alerting on anomalous behaviors. | DTE0007 - Behavioral Analytics | A defender can look for anomalies in how commands are being executed on a system. This can expose potentially malicious activity. |
T1074 - Data Staged | In an adversary engagement scenario, there is an opportunity to seed content to influence an adversary's behaviors, test their interest in specific topics, or add legitimacy to a system or environment. | DTE0030 - Pocket Litter | A defender can stage a variety of pocket litter files with known hashes around a system. Detections can be put in place if these hashes are seen moving around a system or out of the network. |
T1078 - Valid Accounts | There is an opportunity to introduce user accounts that are used to make a system look more realistic. | DTE0010 - Decoy Account | A defender can create decoy user accounts which are used to make a decoy system or network look more realistic. |
T1078 - Valid Accounts | There is an opportunity to deploy a tripwire that triggers an alert when an adversary touches a network resource or uses a specific technique. | DTE0012 - Decoy Credentials | A defender can seed systems with decoy credentials in a variety of locations and establish alerting that will trigger if an adversary harvests the credentials and attempts to use them. |
T1078 - Valid Accounts | There is an opportunity to prepare user accounts so they look used and authentic. | DTE0008 - Burn-In | A defender can prepare a Decoy System by logging in to the Decoy Account and using it in ways consistent with the deception story, creating artifacts in the system that make it look legitimate. |
T1087 - Account Discovery | There is an opportunity for the defender to observe the adversary and control what they can see, what effects they can have, and/or what data they can access. | DTE0036 - Software Manipulation | A defender could alter the output from account enumeration commands to hide accounts or show the presence of accounts which do not exist. |
T1087 - Account Discovery | In an adversary engagement operation, there is an opportunity to present decoy accounts to the adversary during the enumeration process. | DTE0010 - Decoy Account | During an adversary engagement operation, a defender can utilize decoy accounts to provide content to an adversary and encourage additional activity. |
T1087 - Account Discovery | There is an opportunity to use decoy accounts of varying types to see what an adversary is most interested in. | DTE0013 - Decoy Diversity | A defender can make a variety of decoy accounts and see if the adversary seems to be drawn to accounts of a specific type, with specific permissions, group access, etc. |
T1095 - Non-Application Layer Protocol | There is an opportunity to detect the presence of an adversary by identifying and alerting on anomalous behaviors. | DTE0007 - Behavioral Analytics | A defender can detect the use of non-standard protocols. By implementing behavior analytics specific to a rise in protocol traffic to a system or set of systems, one might be able to detect malicious communications from an adversary. |
T1102 - Web Service | There is an opportunity to detect the presence of an adversary by identifying and alerting on anomalous behaviors. | DTE0007 - Behavioral Analytics | A defender can detect the use of external web services for communication relay. By implementing behavior analytics anomalies in what domains a system is communicating with, how frequently, and at what times, a defender can potentially identify malicious traffic. |
T1110 - Brute Force | There is an opportunity to create a detection with a moderately high probability of success. | DTE0034 - System Activity Monitoring | A defender can monitor for user login activity that may reveal an adversary leveraging brute force techniques. |
T1119 - Automated Collection | In an adversary engagement scenario, there is an opportunity to seed content to influence an adversary's behaviors, test their interest in specific topics, or add legitimacy to a system or environment. | DTE0030 - Pocket Litter | A defender can stage a variety of pocket litter files to see if the adversary collect any of those files in an automated manner. |
T1134 - Access Token Manipulation | There is an opportunity for the defender to observe the adversary and control what they can see, what effects they can have, and/or what data they can access. | DTE0036 - Software Manipulation | A defender could feed or redirect requests for credentials with false data that can be used to direct an adversary into a decoy network or system. |
T1134 - Access Token Manipulation | There is an opportunity to detect the presence of an adversary by identifying and alerting on anomalous behaviors. | DTE0007 - Behavioral Analytics | A defender could use implement behavioral analytics that detects common access token manipulation techniques and allow or deny these actions. |
T1204 - User Execution | There is an opportunity to study the adversary and collect first-hand observations about them and their tools. | DTE0018 - Detonate Malware | A defender can execute adversary malware on a decoy system and examine its behaviors or potentially engage with the adversary to obtain further intelligence. |
T1213 - Data from Information Repositories | In an adversary engagement scenario, there is an opportunity to seed content to influence an adversary's behaviors, test their interest in specific topics, or add legitimacy to a system or environment. | DTE0030 - Pocket Litter | A defender can stage a variety of pocket litter files on an attached storage space. This data may include topics that align to a persona, topics an adversary is interested in, etc. |
T1213 - Data from Information Repositories | In an adversary engagement scenario, there is an opportunity provide content on a variety of topics to see what types of information seems to interest the adversary. | DTE0030 - Pocket Litter | A defender can stage a variety of pocket litter files in order to determine if an adversary is interested in specific file types, subjects, etc. |
T1547 - Boot or Logon Autostart Execution | There is an opportunity to use tools and controls to stop an adversary's activity. | DTE0006 - Baseline | A defender can store good copies of registry startup keys and restore them on a frequent basis. This can prevent an adversary from using them to launch malware on system startup. |
T1553 - Subvert Trust Controls | There is an opportunity to determine adversary capabilities or preferences by controlling aspects of the engagement environment. | DTE0032 - Security Controls | In an adversary engagement scenario, a defender can implement weak security controls that an adversary could subvert in order to further their attack. |
T1553 - Subvert Trust Controls | There is an opportunity for the defender to observe the adversary and control what they can see, what effects they can have, and/or what data they can access. | DTE0003 - API Monitoring | A defender can monitor and analyze operating system functions calls for detection and alerting. |
T1555 - Credentials from Password Stores | In order to prolong an adversary engagement operation or enable detections, there is an opportunity to introduce credentials to an adversary that you want them to collect and use. | DTE0012 - Decoy Credentials | A defender can plant decoy credentials across an array of locations to increase the chances of an adversary finding and using them. |
T1560 - Archive Collected Data | There is an opportunity for the defender to observe the adversary and control what they can see, what effects they can have, and/or what data they can access. | DTE0036 - Software Manipulation | A defender might alter APIs to expose data that is being archived, encoded, and/or encrypted. This can also be used to corrupt the action so the data isn't usable. |
T1562 - Impair Defenses | There is an opportunity to study the adversary and collect first-hand observations about them and their tools. | DTE0004 - Application Diversity | A defender can plant AV or monitoring tools which are easy for an adversary to remove. If an adversary removes these, they may be enticed to act more openly believing they have removed monitoring from the system. |
T1562 - Impair Defenses | There is an opportunity to create a detection with a moderately high probability of success. | DTE0034 - System Activity Monitoring | A defender can monitor for signs that security tools and other controls are being tampered with by an adversary. |
T1562 - Impair Defenses | There is an opportunity to create a detection with a moderately high probability of success. | DTE0033 - Standard Operating Procedure | A defender can define operating procedures for modifying GPOs and alert when they are not followed. |
T1566 - Phishing | A phishing email can be detected and blocked from arriving at the intended recipient. | DTE0019 - Email Manipulation | A defender can intercept emails that are detected as suspicious or malicious by email detection tools and prevent deliver to the intended target. |
T1566 - Phishing | A phishing email can be detected and moved from the intended recipient to a decoy account for reading and execution. | DTE0023 - Migrate Attack Vector | A defender can move suspicious emails to a decoy system prior to opening and examining the email. |
T1566 - Phishing | Users trained and encouraged to report phishing can detect attacks that other defenses do not. | DTE0035 - User Training | A program to train and exercise the anti-phishing skills of users can create "Human Sensors" that help detect phishing attacks. |
T1566 - Phishing | There is an opportunity to discover who or what is being targeting by an adversary. | DTE0015 - Decoy Persona | A defender can seed information about the decoy persona's personal accounts on systems to see if the adversary collects and uses that information in future activity. |
T1569 - System Services | There is an opportunity for the defender to observe the adversary and control what they can see, what effects they can have, and/or what data they can access. | DTE0003 - API Monitoring | A defender can monitor and analyze operating system functions calls for detection and alerting. |
T1569 - System Services | There is an opportunity to create a detection with a moderately high probability of success. | DTE0033 - Standard Operating Procedure | A defender can define operating procedures for adding services and alert when they are not followed. |
T1572 - Protocol Tunneling | There is an opportunity to monitor network traffic for different protocols, anomalous traffic patterns, transfer of data, etc. to determine the presence of an adversary. | DTE0027 - Network Monitoring | A defender can monitor for systems establishing connections using encapsulated protocols not commonly used together such as RDP tunneled over TCP. |
T1573 - Encrypted Channel | There is an opportunity to reveal data that the adversary has tried to protect from defenders | DTE0031 - Protocol Decoder | Defenders can reverse engineer malware and develop protocol decoders that can decrypt and expose adversary communications |